package com.kuang.controller;

import org.apache.ibatis.plugin.Intercepts;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class Interceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("preHandle");
        System.out.println("RequestURI=>" + request.getRequestURI());
        String requestURI = request.getRequestURI();
        if (requestURI.contains("login")) {
            return true;
        }
        HttpSession session = request.getSession();
        if (session.getAttribute("username") != null) {
            return true;
        }
//        request.getRequestDispatcher("/WEB-INF/jsp/login.jsp")
//                .forward(request, response);
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("postHandle");
        HandlerInterceptor.super.postHandle(request, response, handler, modelAndView);

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("afterCompletion");
        HandlerInterceptor.super.afterCompletion(request, response, handler, ex);
    }
}
